From 1a396ee5ab53287870db31b9c817940df84e5777 Mon Sep 17 00:00:00 2001
From: deploy <deploy@local>
Date: Mon, 9 Nov 2026 14:34:41 +0000
Subject: [PATCH] =?UTF-8?q?v26110905=20=E9=A6=96=E9=A1=B5=E5=9B=9E?=
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 js/app.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/js/app.js b/js/app.js
index 798b8d9..bf54d73 100644
--- a/js/app.js
+++ b/js/app.js
@@ -297,7 +297,8 @@
       let a = null, bd = 1e9;
       sc.querySelectorAll('[id]').forEach(el => {
         const r = el.getBoundingClientRect();
-        if (r.height < 60 || r.bottom <= top) return;
+        if (r.height < 60 || r.height > sc.clientHeight * 4 || r.bottom <= top) return;
+        for (let x = el; x && x !== sc; x = x.parentElement) { const ps = getComputedStyle(x).position; if (ps === 'fixed' || ps === 'absolute' || ps === 'sticky') return; }   /* 浮层 / 吸顶不跟着滚，不能当锚点 */
         const d = Math.abs(r.top - top);
         if (d < bd) { bd = d; a = { id: el.id, off: r.top - top }; }
       });